Why does the check engine light in my GLS550 turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Mercedes-Benz engine sound different?

Strange engine sounds can be a sign something’s off in your Mercedes-Benz GLS550. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz GLS550 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I put water in my Mercedes-Benz GLS550 radiator?

It’s not recommended you put water in your GLS550 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

What can cause the engine in my GLS550 to suddenly stop?

Reasons your GLS550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who fixes Mercedes-Benz GLS550 engines?

For Mercedes-Benz GLS550 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Reliable Repairs for 2019 Mercedes-Benz GLS550 Engines

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2019 Mercedes-Benz GLS550 Trim Options

Select your Mercedes-Benz GLS550 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz GLS550 parts will get older and change.

V8/4.7L

2019 Mercedes-Benz GLS550 Repair

Nothing lasts forever. Even your Mercedes-Benz GLS550’s engine parts and components will change. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 2019 Mercedes-Benz GLS550.

We Know Mercedes-Benz GLS550 Engines

Mercedes-Benz GLS550 drivers trust that their GLS550 will take them near and far. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2019 Mercedes-Benz GLS550 engine repairs. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced more than 500 million vehicles since 1926, and our technicians know Mercedes-Benz GLS550 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 2019 Mercedes-Benz GLS550

As soon as your GLS550 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your car’s starter, Potential causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your GLS550 issues diagnosed and we'll determine exactly why your check engine light is on. Other signs your Mercedes-Benz GLS550 engine needs some TLC are essential fluid leaks, or misfiring.

2019 GLS550 Engine Services

When your Mercedes-Benz GLS550 engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, we’ll let you know. We'll also tell you if it's necessary for your safety. We want to give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for GLS550 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — cambelt, valve guide seal, ignition coil, or another part.

Questions About 2019 Mercedes-Benz GLS550 Engines

Why does the check engine light in my GLS550 turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Mercedes-Benz engine sound different? Strange engine sounds can be a sign something’s off in your Mercedes-Benz GLS550. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz GLS550 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my Mercedes-Benz GLS550 radiator? It’s not recommended you put water in your GLS550 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
What can cause the engine in my GLS550 to suddenly stop? Reasons your GLS550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Mercedes-Benz GLS550 engines? For Mercedes-Benz GLS550 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.